Mark Zuckerberg's multibillion-dollar stock sale ground to a halt in the final months of 2018. The Facebook co-founder didn't sell a single share in the fourth quarter, when the social media company's…

Dozens of civil rights groups on Tuesday called on Facebook to purge Mark Zuckerberg and Sheryl Sandberg from its board for blunders including "weaponising anti-Semitism." Advocacy and rights group took…